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Finding the Fourth Proportional to 69,456.74, 104,113.56 and 27,319.72

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Solution

The fourth proportional to 69,456.74, 104,113.56 and 27,319.72 is: 40,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.74 : 104,113.56 = 27,319.72 : x
  2. Step 2: Convert to fraction form
    69,456.74/104,113.56 = 27,319.72/x
  3. Step 3: Cross multiply
    69,456.74x = 104,113.56 × 27,319.72
  4. Step 4: Simplify right side
    69,456.74x = 2,844,353,307.40
  5. Step 5: Solve for x
    x = 2,844,353,307.40/69,456.74
  6. Step 6: Final answer
    x = 40,951.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.